While this submission is a draft, it cannot be used by other submissions.

Proof of `FO(≤, IFP) = FO(LFP) = PTIME` (2nd statement)

groundedproofs/Lax535992Proofs/Bridge.lean · lax-535992

What this proof establishes

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

Read the Lean proof on GitHub

Description

The library's compilation of an inflationary induction into FO(LFP), walking the stages with a positive evaluator of truth and falsity.